Table 3 Results of logistic regression analysis using a backward selection procedure and remitting or severe rheumatoid arthritis as the dependent variable and the total number of swollen joints and the joints with a significant result in univariate analysis as possible explanatory variables.

Joint group	p Value	OR	95% CI
Shoulder	0.07	8.7	0.8 to 90.1
Elbow	0.08	4.1	0.9 to 19.4
Knee	0.004	7.0	1.9 to 25.9